Exercise 2
Enter a regexp that matches all the items in the first column (positive examples) but none of those in the second (negative examples). When you press "submit", you will see what matched.
Regexp:
Positive
Negative
r
a
p
t
h
e
m
t
a
p
e
t
h
a
p
t
h
w
r
a
p
/
t
r
y
s
a
p
t
r
a
y
8
7
a
p
9
t
h
a
p
o
t
h
e
c
a
r
y
a
l
e
h
t
h
a
p
p
y
t
h
e
m
t
a
r
p
t
h
A
p
t
p
e
t
h
t
a
r
r
e
t
h
d
d
a
p
d
g
a
p
p
l
e
s
s
h
a
p
e
t
h
e